From e10f36500af21c6998cba6c1416820b2706e0d28 Mon Sep 17 00:00:00 2001
From: Zelong Kuang <zelongkuang0608@gmail.com>
Date: Sun, 16 Nov 2025 16:19:37 +1100
Subject: [PATCH] Copilot

---
 config.el   | 18 ++++++++++++++++++
 config.org  | 28 +++++++++++++++++++++++++++-
 packages.el |  3 +++
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/config.el b/config.el
index bd37f18..ced63ed 100644
--- a/config.el
+++ b/config.el
@@ -16,3 +16,21 @@
   (when (eq system-type 'darwin)
     (define-key eat-semi-char-mode-map (kbd "C-h")  #'eat-self-input)
     (define-key eat-semi-char-mode-map (kbd "<backspace>") (kbd "C-h"))))
+
+;; accept completion from copilot and fallback to company
+(use-package! copilot
+  :hook (prog-mode . copilot-mode)
+  :bind (:map copilot-completion-map
+              ("<tab>" . 'copilot-accept-completion)
+              ("TAB" . 'copilot-accept-completion)
+              ("C-TAB" . 'copilot-accept-completion-by-word)
+              ("C-<tab>" . 'copilot-accept-completion-by-word)
+              ("C-n" . 'copilot-next-completion)
+              ("C-p" . 'copilot-previous-completion))
+
+  :config
+  (add-to-list 'copilot-indentation-alist '(prog-mode 2))
+  (add-to-list 'copilot-indentation-alist '(org-mode 2))
+  (add-to-list 'copilot-indentation-alist '(text-mode 2))
+  (add-to-list 'copilot-indentation-alist '(clojure-mode 2))
+  (add-to-list 'copilot-indentation-alist '(emacs-lisp-mode 2)))
diff --git a/config.org b/config.org
index c81d613..117fd2e 100644
--- a/config.org
+++ b/config.org
@@ -1,5 +1,4 @@
 * My doom config
-
 ** Appearance settings
 #+begin_src emacs-lisp
 (setq doom-font (font-spec :family "Maple Mono" :size 20))
@@ -42,3 +41,30 @@ Fix the issue that backspace doesn't work on mac
     (define-key eat-semi-char-mode-map (kbd "C-h")  #'eat-self-input)
     (define-key eat-semi-char-mode-map (kbd "<backspace>") (kbd "C-h"))))
 #+end_src
+
+*** Copilot
+#+begin_src emacs-lisp :tangle packages.el
+(package! copilot
+  :recipe (:host github :repo "copilot-emacs/copilot.el" :files ("*.el")))
+#+end_src
+
+Configuration
+#+begin_src emacs-lisp
+;; accept completion from copilot and fallback to company
+(use-package! copilot
+  :hook (prog-mode . copilot-mode)
+  :bind (:map copilot-completion-map
+              ("<tab>" . 'copilot-accept-completion)
+              ("TAB" . 'copilot-accept-completion)
+              ("C-TAB" . 'copilot-accept-completion-by-word)
+              ("C-<tab>" . 'copilot-accept-completion-by-word)
+              ("C-n" . 'copilot-next-completion)
+              ("C-p" . 'copilot-previous-completion))
+
+  :config
+  (add-to-list 'copilot-indentation-alist '(prog-mode 2))
+  (add-to-list 'copilot-indentation-alist '(org-mode 2))
+  (add-to-list 'copilot-indentation-alist '(text-mode 2))
+  (add-to-list 'copilot-indentation-alist '(clojure-mode 2))
+  (add-to-list 'copilot-indentation-alist '(emacs-lisp-mode 2)))
+#+end_src
diff --git a/packages.el b/packages.el
index 5c9d289..998acff 100644
--- a/packages.el
+++ b/packages.el
@@ -7,3 +7,6 @@
                    ("terminfo/65" "terminfo/65/*")
                    ("integration" "integration/*")
                    (:exclude ".dir-locals.el" "*-tests.el"))))
+
+(package! copilot
+  :recipe (:host github :repo "copilot-emacs/copilot.el" :files ("*.el")))